Multi-purpose: These Small Screw Hook can be used to hanging objects from or boards, especially designed for light-duty applications. The for points into the wood quickly and easily. Easy to install: very suitable for use with ropes, chains or cables. stainless steel, and corrosion-resistant. Stable load-bearing: The rigid ensures stability and strength, and can withstand work loads of up to 100 pounds. The package contains: You can get 20 screw hooks for hanging, M3x40 is not equipped with expansion tube, M4x50 and M5x65 are equipped with expansion tube., Manufacturer: huswdw